Sir ,can I use 6-7 month old photo in jee main and is date of birth and name are necessary ?

Yes yu can use 6-7 month old photo , in Jee main . Please read the circular , If it is mentioned that name and date of birth should be there.Then it will be necessary . 

Hope this heps 

Good Luck  

Yeah you can definitely use since jee main doesn't refuse for that and also make sure that if the rules has been changed so that you might upload different things since the rules would be fluctuating every year